CentOS is one of the most sought after Linux-based server Operating Systems to choose from. It's used by numerous hosting suppliers, since it's very stable, reliable and secure, not to mention that it is freely customizable, since it is an open-source Operating System. CentOS is used for production servers, for the reason that it is also really quick and takes minimal resources. In addition, you're able to set up and run any kind of web app, as long as it can function on a Linux machine. When you use a CentOS-powered server, you will be able to update any part of your Operating System in accordance with your specifications. The fact that CentOS is provided for free does mean that you'll need to pay only for your server, and not for any license fees, which will reduce your overall expenses. A large group of developers and users stands behind CentOS, therefore if you ever have any problems, or you're simply not sure how to perform a particular task, you will be able to discover a solution very quickly. An important benefit of the OS is also the fact that every single version is officially supported and updated for a minimum of ten years, so that you'll always have a secure and reliable software environment.